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tunnels

noun
SayTUN-uhlz/ˈtʌn(ə)lz/

1 meaning of tunnels

Practice

  1. 1
    noun
    Plural of tunnel.

    Engineers inspect the city's subway tunnels every spring for cracks.

    The old fortress was riddled with secret escape tunnels.

    Note

    A regular plural, made with a plain -s and spelled the same in American and British English. The l-doubling that separates British tunnelled from American tunneled affects only suffixes beginning with a vowel. The plural carries every meaning of the singular: road and rail tunnels, the burrows animals dig, the network tunnels that wrap a blocked protocol, and even a funnel or a chimney flue.

tunnels is a form of tunnel

tunnel, noun: An underground or underwater passage, often built for roads, trains, or pedestrians. Full entry

Forms
tunneltunnels plural
Spelling
tunnel → tunnels: add -s

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